economy is, quote, not yet out of the woods. the nation's top banker says avoiding the fiscal cliff was good, especially since the alternative would have probably been another recession. but he says there's more work ahead, such as raising the debt ceiling so the government can pay its bills. >>> coca-cola is running spots on cable television that say it's doing its part on obesity. the ads point out that more than one-fourth of its beverages are low-calorie. and burning off the 180 calories from a can of coke can be fun. critics say the commercials minimize the issue and are just damage control. >>> apple is on fire over its stock slump. shares are down to about $500, off almost one-third since last september. the stock peaked at more than $700 when the iphone 5 was announced. sales of the phone are pretty weak, putting pressure on apple to develop a cheaper version. >>> and another darling of silicon valley is promising a big announcement today. but facebook isn't saying exactly what all this is about. most observers think it